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Use more specific panic message for &str slicing errors #38066

Merged
merged 1 commit into from
Jan 4, 2017
Merged

Use more specific panic message for &str slicing errors #38066

merged 1 commit into from
Jan 4, 2017

Commits on Nov 30, 2016

  1. Use more specific panic message for &str slicing errors 

    Separate out of bounds errors from character boundary errors, and print
more details for character boundary errors.

Example:

    &"abcαβγ"[..4]

    thread 'str::test_slice_fail_boundary_1' panicked at 'byte index 4 is not
    a char boundary; it is inside `α` (bytes 3..5) of `abcαβγ`'
    @bluss
    bluss committed Nov 30, 2016
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